CN113345712B

CN113345712B - SMD antivibration condenser

Info

Publication number: CN113345712B
Application number: CN202110668887.1A
Authority: CN
Inventors: 邵志飞; 李长峰
Original assignee: Anhui Aokaipu Capacitor Co ltd
Current assignee: Anhui Aokaipu Capacitor Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-09-20
Anticipated expiration: 2041-06-16
Also published as: CN113345712A

Abstract

The invention relates to the technical field of capacitors, and discloses a surface mount type anti-vibration capacitor which comprises a plate frame and a roll strip wound on the plate frame, wherein the roll strip comprises a plate strip and a capacitor main body, and a fixing device is arranged on the plate strip; the fixing device comprises a protective shell arranged on the lath and a vibration damping assembly arranged in the protective shell; the damping assembly comprises a mounting plate which is arranged in the protective shell in a sliding manner; the capacitor main body is arranged on the mounting plate; the lower end surface of the mounting plate is provided with a movable groove; a movable block is arranged in the movable groove in a sliding manner; movable rods are inserted into two opposite sides of the protective shell; one end of the movable rod extends into the protective shell, and the other end of the movable rod is fixed with a limiting block; a buffer spring is sleeved on the movable rod; two driving rods are arranged below the mounting plate; one end of one driving rod is hinged with the movable block, and the other end of the driving rod is hinged with the end part of one movable rod extending into the protective shell. The invention has the advantages of effectively reducing the vibration in the capacitor and improving the protection effect on the capacitor.

Description

SMD antivibration condenser

Technical Field

The invention relates to the technical field of capacitors, in particular to a surface mount type anti-vibration capacitor.

Background

The capacitor is mainly used for eliminating crosstalk of various high-frequency signals generated by the chip to other chips or is arranged in a power circuit to play a role in bypassing, decoupling, filtering and storing energy, and the capacitor is an electronic part commonly used in daily life.

In view of the above-mentioned related technologies, the inventor of the present application finds that at least the following technical problems exist in the process of implementing the technical solution of the invention in the embodiment of the present application: the capacitor is usually installed in the capacitor shell, and the internal components of the capacitor cannot fully utilize the space in the capacitor shell, so that the capacitor is not compact in structure and occupies a large space. When the electrical components in the capacitor shell are subjected to severe vibration, the electrical components can be damaged due to collision.

Disclosure of Invention

The embodiment of the application provides a SMD antivibration condenser, has solved among the prior art electrical components in the condenser and has received the vibration easily and take place the problem of damaging, has realized effectively reducing the inside vibration of condenser, improves the effect to the protection of condenser.

The embodiment of the application provides a patch type anti-vibration capacitor, which comprises a disk frame and a roll strip coiled on the disk frame, wherein the roll strip is provided with more than two circles, the roll strip comprises a strip and a capacitor main body, and a fixing device is arranged on the strip; the fixing device comprises a protective shell arranged on the batten and a vibration damping assembly arranged in the protective shell; the vibration reduction assembly comprises an installation plate which is arranged in the protective shell in a sliding mode; the capacitor main body is arranged on the mounting plate; the lower end surface of the mounting plate is provided with a horizontally arranged movable groove; a movable block is arranged in the movable groove in a sliding manner; movable rods are inserted into two opposite sides of the protective shell; one end of the movable rod extends into the protective shell, and the other end of the movable rod is fixed with a limiting block; a buffer spring is sleeved on the movable rod and positioned between the limiting block and the outer side wall of the protective shell; two driving rods are arranged below the mounting plate; one end of the driving rod is hinged to the movable block, and the other end of the driving rod is hinged to the end portion, extending into the protective shell, of the movable rod.

Furthermore, a limiting groove is formed in the lath; the length direction of the limiting groove is consistent with that of the lath; the lower end of the limiting block is provided with a connecting block which is arranged in the limiting groove in a sliding mode.

Furthermore, the cross sections of the movable groove and the movable block are both trapezoidal, and the upper bottom of the trapezoidal shape faces one side of the lath.

Furthermore, a fixed seat for fixing the capacitor main body is arranged above the mounting plate; the fixed seat comprises a first sleeve arranged on the mounting plate and a second sleeve arranged in the first sleeve; the first sleeve and the second sleeve are arranged at intervals and fixed through a connecting assembly; the bottom of the capacitor main body is inserted and fixed in the second sleeve.

Further, the connecting assembly comprises a first connecting strip and a second connecting strip which are arranged at intervals along the circumferential direction of the first sleeve; the lengths of the first connecting strip and the second connecting strip are both smaller than the height of the first sleeve; the upper end surface of the first connecting strip is flush with the upper end surface of the first sleeve, and two sides of the first connecting strip are fixedly connected with the inner side of the first sleeve and the outer side of the second sleeve respectively; the lower terminal surface of second connecting strip and the lower terminal surface parallel and level of first telescopic, and the both sides of second connecting strip are the telescopic outside of fixed connection first telescopic inboard and second respectively.

Furthermore, a heat dissipation hole is formed in the second sleeve and located between the first connecting strip and the second connecting strip.

Further, the first sleeve is made of a plastic material; the second sleeve is made of rubber materials.

Furthermore, two inner side walls oppositely arranged in the protective shell are provided with sliding grooves; the sliding groove is arranged along the height direction of the protective shell; the two sides of the mounting plate are provided with sliding blocks; the sliding blocks are connected in the corresponding sliding grooves in a sliding mode.

Furthermore, foam plastic is arranged in the protective shell and close to the top of the protective shell.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. owing to adopted the structure of damping subassembly, so can receive the vibration when electric capacity main part, can carry out the damping effectively to electric capacity main part, when electric capacity main part receives the impact, can make the mounting panel to the position removal that is close to the lath, when the mounting panel removes, make the movable block slide along the movable tank, and extrude the actuating lever, the lower extreme pulling movable rod of actuating lever, make buffer spring compressed, can play the cushioning effect to the removal of mounting panel, effectively solved the installation insecure of electric capacity main part among the prior art, the vibration takes place easily and leads to the problem of damage, and then realized effectively reducing the inside vibration of condenser, improve the protection effect to the condenser.

2. Owing to adopted the cooperation structure of spacing groove and connecting block, so can improve the stability that the movable rod removed when the pulling movable rod stretches into in the protective housing for the damping effect is more reliable and more stable, has effectively solved among the prior art too big problem of damping device impact, and then has realized the effect of mild damping.

3. Owing to adopted the structure of fixing base, can effectively install fixedly to the electric capacity main part, can further weaken the resonance effect of electric capacity main part, first sleeve and the second sleeve that the interval set up can have certain deformability, can improve and cushion the vibration that receives the electric capacity main part, and it is not good effectively to have solved the installation effect of electric capacity main part among the prior art, suffers the problem of shock vibration easily, and then has realized stable installation electric capacity main part, improves the effect to the protection of electric capacity main part.

4. Owing to adopted the structure that first sleeve and second sleeve interval set up, so can improve the effect to electric capacity main part installation stability, can also improve and carry out radiating effect to the electric capacity main part, the length of first connecting strip and second connecting strip is different, can not realize the stable connection to first sleeve and second sleeve, can also strengthen the inside effect that switches on of first sleeve and second sleeve, in addition the setting of louvre, can dispel the heat to the electric capacity main part fast, improve the heat resistance of electric capacity main part, the not good problem of radiating effect of electric capacity main part among the prior art has effectively been solved, and then realized carrying out radiating effect to the electric capacity main part fast.

Drawings

Fig. 1 is a schematic structural view of the whole in the embodiment of the present application;

FIG. 2 is a schematic structural diagram of a roll of tape in an embodiment of the present application;

fig. 3 is a schematic view of the internal structure of the protective case in the embodiment of the present application;

FIG. 4 is a schematic structural view of a vibration damping assembly in an embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a tray frame; 11. an installation port; 2. rolling the strips; 21. a slat; 211. a limiting groove; 22. a capacitor body; 3. a fixing device; 31. a protective shell; 311. a foamed plastic; 312. a chute; 313. a slider; 4. a vibration damping assembly; 41. mounting a plate; 411. a movable groove; 42. a movable block; 43. a movable rod; 44. a limiting block; 45. a buffer spring; 46. a drive rod; 47. connecting blocks; 5. a fixed seat; 51. a first sleeve; 52. a second sleeve; 521. heat dissipation holes; 6. a connecting assembly; 61. a first connecting bar; 62. a second connecting strip.

Detailed Description

The embodiment of the application provides a SMD antivibration condenser, through setting up damping subassembly 4, when the condenser receives vibration or impact, drive movable rod 43 and protective housing 31 through the lift of mounting panel 41 and take place to slide, make buffer spring 45 take place tensile or compression, the vibration or the impact that receive the condenser cushion, the problem of electrical components in the condenser receive the vibration easily and take place to damage among the prior art has been solved, the vibration that can effectively reduce the condenser inside has been realized, the effect of the protection to the condenser is improved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1, a chip type vibration-proof capacitor includes a disk frame 1, a roll strip 2, a disk-shaped disk frame 1, a mounting opening 11 is opened at the center of the disk frame 1, the roll strip 2 is fixedly mounted at one side of the disk frame 1, and the roll strip 2 is coiled more than two circles using the center of the disk frame 1 as a rotation center.

Referring to fig. 2 and 3, the roll strip 2 includes a strip 21 and a capacitor main body 22, a fixing device 3 is installed on the strip 21 and is used for installing the capacitor main body 22, the capacitor main body 22 is linearly arranged in a plurality of numbers along the length direction of the strip 21, the fixing device 3 includes a protective shell 31 and a damping component 4, the protective shell 31 is in a hollow cylindrical shape, the bottom of the protective shell 31 is fixedly connected with the strip 21, the top of the protective shell 31 is hermetically arranged, a foamed plastic 311 is bonded in the protective shell 31 at a position close to the top of the protective shell 31, the top of the capacitor main body 22 abuts against the lower end face of the foamed plastic 311, the foamed plastic 311 is a high polymer material formed by dispersing a large number of gas micropores in solid plastic, and has the characteristics of light weight, heat insulation, sound absorption, shock absorption and the like, and can buffer the vibration impact on the capacitor main body 22, and improve the protection of the capacitor main body 22. The protective housings 31 are arranged in a straight line along the length direction of the slats 21, one capacitor main body 22 is installed in each protective housing 31, and the damping assemblies 4 are installed on the protective housings 31 and used for improving the protection of the capacitor main bodies 22 and buffering the vibration impact on the capacitor main bodies 22.

Referring to fig. 3 and 4, the damping assembly 4 includes a mounting plate 41, a movable block 42, a movable rod 43, a limiting block 44, a buffer spring 45 and a driving rod 46, the mounting plate 41 is disc-shaped, and is in sliding fit with the inner side wall of the protective shell 31, the sliding grooves 312 are respectively formed in the two inner side walls of the protective shell 31, the sliding grooves 312 are arranged along the height direction of the protective shell 31, sliding blocks 313 are respectively fixed on two sides of the mounting plate 41, and the sliding blocks 313 are connected in the corresponding sliding grooves 312 in a sliding manner and used for limiting the stable lifting of the mounting plate 41. Two movable slots 411 are formed in the lower end face of the mounting plate 41, the movable slots 411 are horizontally arranged, the two movable slots 411 are located on the same straight line, two movable blocks 42 are arranged, and one movable block 42 is slidably connected into the corresponding movable slot 411. The cross sections of the movable slot 411 and the movable block 42 are both trapezoidal, and the trapezoidal upper bottom faces one side of the lath 21, so that the connection strength between the mounting plate 41 and the movable block 42 can be improved, and the mounting plate 41 is not easy to break away. The relative both sides of protective housing 31 have all been seted up the mounting hole, and movable rod 43 pegs graft in the mounting hole to can slide along the mounting hole level. One end of the movable rod 43 extends into the protective shell 31, one end of the movable rod 43, which is located outside the protective shell 31, is fixedly connected with the limiting block 44, the buffer spring 45 is sleeved on the movable rod 43, and two ends of the buffer spring 45 are fixedly connected with the limiting block 44 and the outer side wall of the protective shell 31 respectively. Two driving rods 46 are provided, and the driving rods 46 are obliquely arranged from bottom to top in a direction close to the inner side wall of the protective shell 31. One end of a driving rod 46 is hinged with the movable block 42 at the corresponding position, and the other end of the driving rod 46 is hinged with the end of a movable rod 43 extending into the protective shell 31. A limiting groove 211 is formed in the position, close to the protective shell 31, of the lath 21, the length direction of the limiting groove 211 is consistent with that of the lath 21, a connecting block 47 is fixedly connected to the lower end of the limiting block 44, and the connecting block 47 is slidably connected into the limiting groove 211. In order to facilitate the winding of the slats 21, the movable rod 43 is made of smooth rubber, so that the movable rod 43 can be pulled to slide relative to the protective case 31 when the mounting plate 41 is lifted, and the movable rod 43 can be matched with the slats 21 to be appropriately bent to a certain degree.

Referring to fig. 5, in order to facilitate mounting of the capacitor main body 22, a fixing base 5 is mounted above the mounting plate 41. The fixing seat 5 includes a first sleeve 51 and a second sleeve 52 which are concentrically arranged, one end of each of the first sleeve 51 and the second sleeve 52 is fixed on the upper end face of the mounting plate 41, the first sleeve 51 is located on the outer side of the second sleeve 52, and the first sleeve 51 and the second sleeve 52 are arranged at intervals. The first sleeve 51 is made of plastic material, preferably hard plastic, the second sleeve 52 is made of rubber material, and a layer of heat dissipation glue is coated on the inner side of the second sleeve 52. In the bottom grafting of electric capacity main part 22 was fixed in second sleeve 52, rubber materials's second sleeve 52 can increase and electric capacity main part 22 base between the frictional force for electric capacity main part 22 installation is stable, and difficult the emergence is fallen, and rubber materials has certain elastic potential energy, can further improve the buffering effect to electric capacity main part 22, reduces the impact to electric capacity main part 22.

Referring to fig. 5, the first sleeve 51 and the second sleeve 52 are fixed by the connection assembly 6, the connection assembly 6 includes a first connection strip 61 and a second connection strip 62, the first connection strip 61 and the second connection strip 62 are made of rubber, a hard aluminum alloy strip is inserted and fixed in the first connection strip 61 and the second connection strip 62, the first connection strip 61 and the second connection strip 62 are arranged along the circumferential direction of the first sleeve 51 in a staggered manner, two sides of the first connection strip 61 are respectively and fixedly connected with the inner side of the first sleeve 51 and the outer side of the second sleeve 52, and two sides of the second connection strip 62 are respectively and fixedly connected with the inner side of the first sleeve 51 and the outer side of the second sleeve 52. The length of first connecting strip 61 and second connecting strip 62 all is less than the height of first sleeve 51, and the up end of first connecting strip 61 and the up end parallel and level of first sleeve 51, and the lower terminal surface of second connecting strip 62 and the lower terminal surface parallel and level of first sleeve 51, the up end of second connecting strip 62 is higher than the lower terminal surface of first connecting strip 61. The second sleeve 52 is provided with a heat dissipation hole 521 at a position between the first connection bar 61 and the second connection bar 62, so as to improve the heat dissipation performance of the capacitor body 22 and improve the heat resistance of the capacitor during use.

The working principle of the embodiment of the application is as follows: when the capacitor is subjected to impact vibration, the top of the capacitor body 22 can be subjected to certain damping by the foam 311. Mounting panel 41 removes along the direction of height of protective housing 31, it removes along the direction of height of spout 312 to drive slider 313, make mounting panel 41 remove stably, difficult emergence and protective housing 31's relative rotation, when mounting panel 41 removes, drive actuating lever 46 upwards or move down, and then can drive movable rod 43 and remove along the radial of protective housing 31, make buffer spring 45 stretched or compressed, cushion the impact vibration that receives electric capacity main part 22, the improvement is to electric capacity main part 22's protection, and second sleeve 52 is the rubber material with coupling assembling 6, can further reduce the resonance that electric capacity main part 22 received, strengthen the stability of electric capacity main part 22 installation.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.

Claims

1. A patch type anti-vibration capacitor comprises a disc frame (1) and a roll strip (2) wound on the disc frame (1), wherein the roll strip (2) is provided with more than two circles, the roll strip (2) comprises a plate strip (21) and a capacitor main body (22), and the patch type anti-vibration capacitor is characterized in that the plate strip (21) is provided with a fixing device (3); the fixing device (3) comprises a protective shell (31) arranged on the batten (21) and a vibration damping assembly (4) arranged in the protective shell (31);

the damping assembly (4) comprises a mounting plate (41) which is arranged in the protective shell (31) in a sliding manner; the capacitor main body (22) is arranged on the mounting plate (41); a horizontally arranged movable groove (411) is formed in the lower end face of the mounting plate (41); a movable block (42) is arranged in the movable groove (411) in a sliding manner;

movable rods (43) are inserted into two opposite sides of the protective shell (31); one end of the movable rod (43) extends into the protective shell (31), and the other end of the movable rod (43) is fixed with a limiting block (44); a buffer spring (45) is sleeved on the movable rod (43) and positioned between the limiting block (44) and the outer side wall of the protective shell (31);

two driving rods (46) are arranged below the mounting plate (41); one end of the driving rod (46) is hinged with the movable block (42), and the other end of the driving rod (46) is hinged with the end part of the movable rod (43) extending into the protective shell (31);

a limiting groove (211) is formed in the lath (21); the length direction of the limiting groove (211) is consistent with the length direction of the lath (21); the lower end of the limiting block (44) is provided with a connecting block (47) which is arranged in the limiting groove (211) in a sliding mode.

2. A chip type anti-vibration capacitor according to claim 1, wherein said movable groove (411) and said movable block (42) are each trapezoidal in cross section, and an upper base of the trapezoidal shape faces a side of the strip (21).

3. A patch type anti-vibration capacitor as defined in claim 1, wherein a fixing base (5) for fixing the capacitor body (22) is provided above said mounting plate (41); the fixed seat (5) comprises a first sleeve (51) arranged on the mounting plate (41) and a second sleeve (52) arranged in the first sleeve (51); the first sleeve (51) and the second sleeve (52) are arranged at intervals, and the first sleeve (51) and the second sleeve (52) are fixed through a connecting assembly (6); the bottom of the capacitor main body (22) is inserted and fixed in the second sleeve (52).

4. A patch type anti-vibration capacitor as set forth in claim 3, wherein said connection member (6) comprises a first connection strip (61) and a second connection strip (62) which are provided at intervals in the circumferential direction of the first sleeve (51); the lengths of the first connecting strip (61) and the second connecting strip (62) are smaller than the height of the first sleeve (51);

the upper end face of the first connecting strip (61) is flush with the upper end face of the first sleeve (51), and two sides of the first connecting strip (61) are fixedly connected with the inner side of the first sleeve (51) and the outer side of the second sleeve (52) respectively;

the lower end face of the second connecting strip (62) is flush with the lower end face of the first sleeve (51), and two sides of the second connecting strip (62) are fixedly connected with the inner side of the first sleeve (51) and the outer side of the second sleeve (52) respectively.

5. The surface mount type anti-vibration capacitor according to claim 4, wherein a heat dissipation hole (521) is formed in the second sleeve (52) at a position between the first connection bar (61) and the second connection bar (62).

6. A chip vibration-proof capacitor according to claim 3, wherein said first sleeve (51) is a plastic material; the second sleeve (52) is of a rubber material.

7. The surface mount type anti-vibration capacitor according to claim 1, wherein two inner side walls of the protective shell (31) that are oppositely disposed each have a sliding groove (312); the sliding groove (312) is arranged along the height direction of the protective shell (31); sliding blocks (313) are arranged on two sides of the mounting plate (41); the sliding blocks (313) are connected in the corresponding sliding grooves (312) in a sliding mode.

8. A patch type anti-vibration capacitor as claimed in claim 1, wherein a foam (311) is provided in said protective case (31) near the top of the protective case (31).